Three of the following are FACTS…one is a FIB (scroll down to find out which one!)
1. Earth’s rotation is changing speed. It’s actually slowing. This means that, on average, the length of a day increases by around 1.8 seconds per century. 600 million years ago a day lasted just 21 hours.
2. The Eiffel Tower can grow up to 6 inches taller in the summer due to the expansion of the iron from heat.
3. You can actually die laughing. And a number of people have, typically due to intense laughter causing a heart attack or suffocation. Comedy shows should come with a warning.
4. The Sahara Desert was once covered by a massive glacier, which left behind the unique sand formations we see today.
AND THE FIB IS…(scroll down)
4! The Sahara Desert was once a lush, green landscape with vast lakes, rivers, and abundant vegetation during the African Humid Period, roughly 10,000–5,000 years ago. The transition to a desert occurred due to changes in the Earth’s orbit and axial tilt, which affected monsoon patterns.
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